First Alert 3035DF Deluxe Digital Security Box, Black/Silver Digital security box protects cash, documents, and other small valuables Features durable double steel wall construction with fire-retardant insulation Programmable digital lock lets you select a custom 5-digit passcode Includes a protective floor mat and an emergency override key Flexible built-in handle for easy portability 0.27 cubic foot capacity Reprogrammable 5 digit passcode with emergency override key Protective floor mat and convenient carrying handle Insulated double steel wall construction Flexible carrying handle for easy transport.